Cobra/Uniden 29LX BT no mic audio

I have here a cobra 29 LX BT radio that has no mic audio good receive audio.

I have to scream into mike to make the needle move up a bit on my test meter.

So far I replaced tr 17 and tr 18 the same
replaced c71 and c66 the same.

here is schematic section of the audio

Any suggestion appreciated
View attachment 31424